From: Qu Wenruo <quwenruo.btrfs@gmx.com>
To: David Ryskalczyk <david@rysk.us>,
linux-btrfs@vger.kernel.org,
Christoph Hellwig <hch@infradead.org>
Subject: Re: Kernel panic due to stack recursion when copying data from a damaged filesystem
Date: Thu, 23 Mar 2023 14:41:53 +0800 [thread overview]
Message-ID: <b9ed921a-2cd2-411a-4374-c7682b56c45e@gmx.com> (raw)
In-Reply-To: <E567648E-DEE9-49EB-8B01-3CE403E4E87C@rysk.us>
On 2023/3/23 09:20, David Ryskalczyk wrote:
> Hi,
>
> In the process of transferring data from a damaged filesystem, I came across a file which would panic the system upon reading. Further debugging indicates that this is due to recursion in btrfs_repair_one_sector.
>
> While I do not expect this file to be recoverable, a recursion limit to prevent kernel panic and system lockup would be worthwhile.
>
> Error log and stack trace follows (kernel version is 6.2.6, kasan enabled).
>
> [ 252.752577] BTRFS error (device sdh): level verify failed on logical 27258408435712 mirror 1 wanted 0 found 1
> [ 252.806147] BTRFS error (device sdh): level verify failed on logical 27258408435712 mirror 2 wanted 0 found 1
> [ 252.848313] BTRFS error (device sdh): level verify failed on logical 27258408435712 mirror 3 wanted 0 found 1
> [ 252.898989] BTRFS error (device sdh): level verify failed on logical 27258408435712 mirror 4 wanted 0 found 1
> ** Above four lines repeated an additional 24 times
It's the data repair path, and the involved bad tree block seems to be
the csum tree block.
CC Christoph, as he did quite some updates on the newer read repair path.
Thanks,
Qu
> [ 254.601885] BUG: TASK stack guard page was hit at 000000000b8efb37 (stack is 00000000e95f2615..000000008aa34447)
> [ 254.603929] stack guard page: 0000 [#1] PREEMPT SMP KASAN NOPTI
> [ 254.604763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Arch Linux 1.16.2-1-1 04/01/2014
> [ 254.604874] RIP: 0010:kasan_check_range (mm/kasan/generic.c:188)
> [ 254.605650] Code: 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 6e 01 00 00 49 89 f9 41 54 44 0f b6 c2 <55> 53 49 01 f1 0f 82 15 01 00 0
> All code
> ========
> 0: 00 0f add %cl,(%rdi)
> 2: 1f (bad)
> 3: 00 90 90 90 90 90 add %dl,-0x6f6f6f70(%rax)
> 9: 90 nop
> a: 90 nop
> b: 90 nop
> c: 90 nop
> d: 90 nop
> e: 90 nop
> f: 90 nop
> 10: 90 nop
> 11: 90 nop
> 12: 90 nop
> 13: 90 nop
> 14: 66 0f 1f 00 nopw (%rax)
> 18: 48 85 f6 test %rsi,%rsi
> 1b: 0f 84 6e 01 00 00 je 0x18f
> 21: 49 89 f9 mov %rdi,%r9
> 24: 41 54 push %r12
> 26: 44 0f b6 c2 movzbl %dl,%r8d
> 2a:* 55 push %rbp <-- trapping instruction
> 2b: 53 push %rbx
> 2c: 49 01 f1 add %rsi,%r9
> 2f: 0f 82 15 01 00 00 jb 0x14a
>
> Code starting with the faulting instruction
> ===========================================
> 0: 55 push %rbp
> 1: 53 push %rbx
> 2: 49 01 f1 add %rsi,%r9
> 5: 0f 82 15 01 00 00 jb 0x120
> [ 254.605703] RSP: 0018:ffffc90003cd0000 EFLAGS: 00000002
> [ 254.606299] RAX: ffff8881097c6000 RBX: ffffc90003cd0080 RCX: ffffffffa3366ec3
> [ 254.606327] RDX: 0000000000000001 RSI: 0000000000000070 RDI: ffffc90003cd0080
> [ 254.606351] RBP: 0000000000000070 R08: 0000000000000001 R09: ffffc90003cd0080
> [ 254.606375] R10: fffff5200079a07d R11: ffffffffa6f274a0 R12: 0000000000000000
> [ 254.606399] R13: ffffc90003cd0150 R14: ffffc90003cd0080 R15: ffffc90003cd00a8
> [ 254.606447] FS: 00007f324a860740(0000) GS:ffff88811b200000(0000) knlGS:0000000000000000
> [ 254.606477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 254.606489] CR2: ffffc90003ccfff8 CR3: 0000000106af4000 CR4: 00000000000006f0
> [ 254.606598] Call Trace:
> [ 254.606713] <TASK>
> [ 254.606796] memset (mm/kasan/shadow.c:44)
> [ 254.606837] __unwind_start (arch/x86/kernel/unwind_orc.c:665)
> [ 254.606860] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:770) btrfs
> [ 254.607437] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:770) btrfs
> [ 254.607722] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83)
> [ 254.607737] arch_stack_walk (arch/x86/kernel/stacktrace.c:24)
> [ 254.607761] stack_trace_save (kernel/stacktrace.c:123)
> [ 254.607772] ? __pfx_stack_trace_save (kernel/stacktrace.c:114)
> [ 254.607787] ? __sbitmap_get_word (./arch/x86/include/asm/bitops.h:138 ./arch/x86/include/asm/bitops.h:144 ./include/asm-generic/bitops/instrumented-lock.h:58 lib/sbitmap.c:159)
> [ 254.607803] kasan_save_stack (mm/kasan/common.c:46)
> [ 254.607848] __kasan_record_aux_stack (mm/kasan/generic.c:493)
> [ 254.607860] insert_work (./include/linux/instrumented.h:72 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/workqueue.c:635 kernel/workqueue.c:642 kernel/workqueue.c:1361)
> [ 254.607873] ? __pfx_timer_delete (kernel/time/timer.c:1360)
> [ 254.607886] __queue_work (kernel/workqueue.c:1520)
> [ 254.607899] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:138 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:1280)
> [ 254.607912] mod_delayed_work_on (./arch/x86/include/asm/irqflags.h:137 kernel/workqueue.c:1740)
> [ 254.607924] ? __pfx_mod_delayed_work_on (kernel/workqueue.c:1730)
> [ 254.607937] ? __blk_mq_delay_run_hw_queue (block/blk-mq.c:2203 block/blk-mq.c:2262)
> [ 254.607953] kblockd_mod_delayed_work_on (block/blk-core.c:1039)
> [ 254.607964] blk_mq_sched_insert_requests (./include/linux/rcupdate.h:771 ./include/linux/percpu-refcount.h:330 ./include/linux/percpu-refcount.h:351 block/blk-mq-sched.c:494)
> [ 254.607981] blk_mq_flush_plug_list (block/blk-mq.c:2808)
> [ 254.607997] ? __pfx_blk_mq_flush_plug_list (block/blk-mq.c:2769)
> [ 254.608009] ? __pfx___submit_bio (block/blk-core.c:596)
> [ 254.608028] __blk_flush_plug (block/blk-core.c:1152)
> [ 254.608039] ? psi_group_change (./arch/x86/include/asm/bitops.h:207 (discriminator 1) ./arch/x86/include/asm/bitops.h:239 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/sched/psi.c:857 (discriminator 1))
> [ 254.608051] ? __pfx_sched_clock_cpu (kernel/sched/clock.c:364)
> [ 254.608063] ? _raw_spin_lock (./arch/x86/include/asm/atomic.h:202 ./include/linux/atomic/atomic-instrumented.h:543 ./include/asm-generic/qspinlock.h:111 ./include/linux/spinlock.h:186 ./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154)
> [ 254.608079] ? __pfx___blk_flush_plug (block/blk-core.c:1141)
> [ 254.608091] ? _raw_spin_lock_irq (./arch/x86/include/asm/atomic.h:202 ./include/linux/atomic/atomic-instrumented.h:543 ./include/asm-generic/qspinlock.h:111 ./include/linux/spinlock.h:186 ./include/linux/spinlock_api_smp.h:120 kernel/locking/spinlock.c:170)
> [ 254.608103] ? __pfx__raw_spin_lock_irq (kernel/locking/spinlock.c:169)
> [ 254.608114] ? psi_task_change (kernel/sched/psi.c:901 (discriminator 1))
> [ 254.608128] io_schedule (kernel/sched/core.c:8871)
> [ 254.608143] folio_wait_bit_common (mm/filemap.c:1286)
> [ 254.608160] ? __pfx_folio_wait_bit_common (mm/filemap.c:1220)
> [ 254.608171] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.608485] ? __pfx_submit_extent_page (fs/btrfs/extent_io.c:1474) btrfs
> [ 254.608766] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.609047] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.609339] ? __pfx_wake_page_function (mm/filemap.c:1079)
> [ 254.609356] ? submit_one_bio (fs/btrfs/extent_io.c:156) btrfs
> [ 254.609642] read_extent_buffer_pages (./include/linux/pagemap.h:1024 ./include/linux/pagemap.h:1036 fs/btrfs/extent_io.c:5029) btrfs
> [ 254.609932] ? __pfx_read_extent_buffer_pages (fs/btrfs/extent_io.c:4919) btrfs
> [ 254.610214] ? __pfx__raw_spin_lock (kernel/locking/spinlock.c:153)
> [ 254.610230] ? __pfx_end_bio_extent_readpage (fs/btrfs/extent_io.c:1077) btrfs
> [ 254.610516] ? folio_unlock (./arch/x86/include/asm/bitops.h:101 ./include/asm-generic/bitops/instrumented-lock.h:78 mm/filemap.c:1526)
> [ 254.610530] btrfs_read_extent_buffer (fs/btrfs/disk-io.c:303) btrfs
> [ 254.610804] read_tree_block (fs/btrfs/disk-io.c:1025) btrfs
> [ 254.611070] ? find_extent_buffer (fs/btrfs/extent_io.c:4328) btrfs
> [ 254.611357] read_block_for_search (fs/btrfs/ctree.c:1620) btrfs
> [ 254.611615] ? rwsem_down_read_slowpath (./include/trace/events/lock.h:95 ./include/trace/events/lock.h:95 kernel/locking/rwsem.c:1077)
> [ 254.611630] ? __pfx_read_block_for_search (fs/btrfs/ctree.c:1533) btrfs
> [ 254.611901] btrfs_search_slot (fs/btrfs/ctree.c:2225) btrfs
> [ 254.612166] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.612448] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.612738] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.613020] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.613312] ? __pfx_btrfs_search_slot (fs/btrfs/ctree.c:2037) btrfs
> [ 254.613567] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.613858] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.614152] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.614441] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.614733] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.615012] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.615301] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.615581] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.615869] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.616152] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.616443] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.616726] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.617016] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.617297] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.617587] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.617868] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.618161] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.618448] btrfs_lookup_csum (fs/btrfs/file-item.c:221) btrfs
> [ 254.618713] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.618996] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.619289] ? __pfx_btrfs_lookup_csum (fs/btrfs/file-item.c:207) btrfs
> [ 254.619555] ? _raw_write_lock_irqsave (./include/asm-generic/qrwlock.h:101 ./include/linux/rwlock_api_smp.h:187 kernel/locking/spinlock.c:318)
> [ 254.619570] ? btrfs_csum_root (fs/btrfs/disk-io.c:1236) btrfs
> [ 254.619838] ? __pfx_btrfs_csum_root (fs/btrfs/disk-io.c:1236) btrfs
> [ 254.620108] ? _kmem_cache_alloc (mm/slub.c:3454 mm/slub.c:3460 mm/slub.c:3467 mm/slub.c:3476)
> [ 254.620124] btrfs_lookup_bio_sums (fs/btrfs/file-item.c:315 fs/btrfs/file-item.c:484) btrfs
> [ 254.620393] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.620680] ? end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.620972] ? btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.621254] ? bio_init (./arch/x86/include/asm/atomic.h:41 ./include/linux/atomic/atomic-instrumented.h:42 block/bio.c:280)
> [ 254.621273] ? __pfx_btrfs_lookup_bio_sums (fs/btrfs/file-item.c:393) btrfs
> [ 254.621540] ? bio_add_page (block/bio.c:1146)
> [ 254.621551] ? __pfx_bio_add_page (block/bio.c:1138)
> [ 254.621560] ? _raw_spin_lock (./arch/x86/include/asm/atomic.h:202 ./include/linux/atomic/atomic-instrumented.h:543 ./include/asm-generic/qspinlock.h:111 ./include/linux/spinlock.h:186 ./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154)
> [ 254.621576] btrfs_submit_data_read_bio (fs/btrfs/inode.c:2787) btrfs
> [ 254.621854] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.622147] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.622441] ? bio_add_page (block/bio.c:1146)
> [ 254.622461] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.622754] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.623045] ? bio_add_page (block/bio.c:1146)
> [ 254.623065] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.623358] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.623652] ? bio_add_page (block/bio.c:1146)
> [ 254.623671] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.623969] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.624262] ? bio_add_page (block/bio.c:1146)
> [ 254.624281] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.624574] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.624868] ? bio_add_page (block/bio.c:1146)
> [ 254.624887] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.625178] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.625468] ? bio_add_page (block/bio.c:1146)
> [ 254.625488] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.625780] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.626070] ? bio_add_page (block/bio.c:1146)
> [ 254.626090] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.626381] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.626675] ? bio_add_page (block/bio.c:1146)
> [ 254.626695] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.626988] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.627282] ? bio_add_page (block/bio.c:1146)
> [ 254.627302] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.627594] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.627887] ? bio_add_page (block/bio.c:1146)
> [ 254.627907] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.628201] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.628496] ? bio_add_page (block/bio.c:1146)
> [ 254.628516] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.628810] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.629104] ? bio_add_page (block/bio.c:1146)
> [ 254.629124] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.629419] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.629710] ? bio_add_page (block/bio.c:1146)
> [ 254.629730] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.630022] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.630315] ? bio_add_page (block/bio.c:1146)
> [ 254.630334] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.630627] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.630920] ? bio_add_page (block/bio.c:1146)
> [ 254.630940] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.631233] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.631528] ? bio_add_page (block/bio.c:1146)
> [ 254.631548] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.631843] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.632135] ? bio_add_page (block/bio.c:1146)
> [ 254.632154] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.632447] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.632739] ? bio_add_page (block/bio.c:1146)
> [ 254.632759] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.633053] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.633347] ? bio_add_page (block/bio.c:1146)
> [ 254.633367] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.633660] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.633955] ? bio_add_page (block/bio.c:1146)
> [ 254.633974] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.634272] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.634565] ? bio_add_page (block/bio.c:1146)
> [ 254.634585] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.634881] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.635176] ? bio_add_page (block/bio.c:1146)
> [ 254.635195] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.635488] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.635782] ? bio_add_page (block/bio.c:1146)
> [ 254.635802] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.636095] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.636389] ? bio_add_page (block/bio.c:1146)
> [ 254.636409] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.636703] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.636996] ? bio_add_page (block/bio.c:1146)
> [ 254.637016] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.637309] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.637602] ? bio_add_page (block/bio.c:1146)
> [ 254.637622] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.637913] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.638208] ? bio_add_page (block/bio.c:1146)
> [ 254.638228] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.638520] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.638813] ? bio_add_page (block/bio.c:1146)
> [ 254.638833] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.639126] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.639418] ? bio_add_page (block/bio.c:1146)
> [ 254.639438] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.639730] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.640023] ? bio_add_page (block/bio.c:1146)
> [ 254.640042] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.640336] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.640629] ? bio_add_page (block/bio.c:1146)
> [ 254.640648] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.640944] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.641236] ? bio_add_page (block/bio.c:1146)
> [ 254.641256] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.641551] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.641844] ? bio_add_page (block/bio.c:1146)
> [ 254.641864] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.642156] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.642448] ? bio_add_page (block/bio.c:1146)
> [ 254.642468] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.642763] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.643055] ? bio_add_page (block/bio.c:1146)
> [ 254.643075] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.643366] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.643657] ? bio_add_page (block/bio.c:1146)
> [ 254.643676] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.643967] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.644260] ? bio_add_page (block/bio.c:1146)
> [ 254.644280] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.644575] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.644872] ? bio_add_page (block/bio.c:1146)
> [ 254.644892] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.645185] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.645480] ? bio_add_page (block/bio.c:1146)
> [ 254.645499] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.645791] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.646084] ? bio_add_page (block/bio.c:1146)
> [ 254.646104] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.646399] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.646690] ? bio_add_page (block/bio.c:1146)
> [ 254.646710] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.647003] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.647294] ? bio_add_page (block/bio.c:1146)
> [ 254.647313] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.647604] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.647896] ? bio_add_page (block/bio.c:1146)
> [ 254.647916] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.648210] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.648502] ? bio_add_page (block/bio.c:1146)
> [ 254.648521] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.648814] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.649107] ? bio_add_page (block/bio.c:1146)
> [ 254.649126] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.649419] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.649710] ? bio_add_page (block/bio.c:1146)
> [ 254.649730] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.650023] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.650315] ? bio_add_page (block/bio.c:1146)
> [ 254.650335] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.650627] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.650919] ? bio_add_page (block/bio.c:1146)
> [ 254.650939] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.651236] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.651531] ? bio_add_page (block/bio.c:1146)
> [ 254.651551] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.651843] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.652134] ? bio_add_page (block/bio.c:1146)
> [ 254.652154] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.652448] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.652740] ? bio_add_page (block/bio.c:1146)
> [ 254.652760] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.653053] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.653347] ? bio_add_page (block/bio.c:1146)
> [ 254.653367] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.653662] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.653955] ? bio_add_page (block/bio.c:1146)
> [ 254.653975] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.654268] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.654561] ? bio_add_page (block/bio.c:1146)
> [ 254.654581] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.654876] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.655316] ? bio_add_page (block/bio.c:1146)
> [ 254.655337] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.655632] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.655926] ? bio_add_page (block/bio.c:1146)
> [ 254.655945] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.656245] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.656539] ? bio_add_page (block/bio.c:1146)
> [ 254.656559] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.656854] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.657146] ? bio_add_page (block/bio.c:1146)
> [ 254.657166] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.657462] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.657753] ? bio_add_page (block/bio.c:1146)
> [ 254.657773] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.658069] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.658362] ? bio_add_page (block/bio.c:1146)
> [ 254.658382] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.658676] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.658969] ? bio_add_page (block/bio.c:1146)
> [ 254.658990] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.659283] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.659576] ? bio_add_page (block/bio.c:1146)
> [ 254.659597] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.659890] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.660184] ? bio_add_page (block/bio.c:1146)
> [ 254.660204] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.660499] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.660794] ? bio_add_page (block/bio.c:1146)
> [ 254.660815] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.661108] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.661403] ? bio_add_page (block/bio.c:1146)
> [ 254.661423] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.661715] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.662007] ? bio_add_page (block/bio.c:1146)
> [ 254.662027] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.662320] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.662612] ? bio_add_page (block/bio.c:1146)
> [ 254.662633] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.662927] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.663220] ? bio_add_page (block/bio.c:1146)
> [ 254.663240] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.663535] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.663828] ? bio_add_page (block/bio.c:1146)
> [ 254.663848] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.664142] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.664434] ? bio_add_page (block/bio.c:1146)
> [ 254.664455] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.664751] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.665045] ? bio_add_page (block/bio.c:1146)
> [ 254.665066] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.665359] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.665654] ? bio_add_page (block/bio.c:1146)
> [ 254.665673] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.665967] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.666261] ? bio_add_page (block/bio.c:1146)
> [ 254.666281] btrfs_repair_one_sector (fs/btrfs/extent_io.c:775) btrfs
> [ 254.666572] end_compressed_bio_read (fs/btrfs/compression.c:197) btrfs
> [ 254.666866] ? bio_add_page (block/bio.c:1141)
> [ 254.666886] btrfs_submit_compressed_read (fs/btrfs/bio.h:93 fs/btrfs/compression.c:805) btrfs
> [ 254.667185] ? __pfx_btrfs_submit_compressed_read (fs/btrfs/compression.c:665) btrfs
> [ 254.667489] submit_one_bio (fs/btrfs/extent_io.c:160) btrfs
> [ 254.667773] ? kasan_save_free_info (mm/kasan/generic.c:525)
> [ 254.667789] submit_extent_page (fs/btrfs/extent_io.c:1487) btrfs
> [ 254.668075] ? kmem_cache_free (mm/slub.c:1807 mm/slub.c:3788 mm/slub.c:3810)
> [ 254.668091] ? btrfs_get_extent (fs/btrfs/inode.c:7124) btrfs
> [ 254.668374] ? __pfx_submit_extent_page (fs/btrfs/extent_io.c:1474) btrfs
> [ 254.668657] ? __pfx_btrfs_get_extent (fs/btrfs/inode.c:6942) btrfs
> [ 254.668937] ? btrfs_lookup_ordered_range (fs/btrfs/ordered-data.c:855) btrfs
> [ 254.669219] ? __pfx_lock_extent (fs/btrfs/extent-io-tree.c:1730) btrfs
> [ 254.669527] ? __pfx_btrfs_lookup_ordered_range (fs/btrfs/ordered-data.c:855) btrfs
> [ 254.669812] btrfs_do_readpage (fs/btrfs/extent_io.c:1780) btrfs
> [ 254.670105] ? xas_find (lib/xarray.c:1253)
> [ 254.670117] ? _raw_spin_trylock (./arch/x86/include/asm/atomic.h:202 ./include/linux/atomic/atomic-instrumented.h:543 ./include/asm-generic/qspinlock.h:97 ./include/linux/spinlock.h:192 ./include/linux/spinlock_api_smp.h:89 kernel/locking/spinlock.c:138)
> [ 254.670133] extent_readahead (./include/linux/page-flags.h:251 ./include/linux/mm.h:1318 fs/btrfs/extent_io.c:1834 fs/btrfs/extent_io.c:3229) btrfs
> [ 254.670424] ? __pfx_extent_readahead (fs/btrfs/extent_io.c:3218) btrfs
> [ 254.670712] ? __mod_memcg_lruvec_state (mm/memcontrol.c:613 mm/memcontrol.c:801)
> [ 254.670727] ? __pfx_end_bio_extent_readpage (fs/btrfs/extent_io.c:1077) btrfs
> [ 254.671011] ? xa_get_order (lib/xarray.c:1762)
> [ 254.671044] read_pages (./include/linux/pagemap.h:1245 ./include/linux/pagemap.h:1285 mm/readahead.c:167)
> [ 254.671057] ? __pfx_workingset_update_node (mm/workingset.c:545)
> [ 254.671074] ? folio_batch_add_and_move (./arch/x86/include/asm/atomic.h:29 ./include/linux/atomic/atomic-instrumented.h:28 ./include/linux/swap.h:391 mm/swap.c:262)
> [ 254.671087] ? __pfx_read_pages (mm/readahead.c:148)
> [ 254.671099] ? folio_add_lru (./arch/x86/include/asm/preempt.h:95 mm/swap.c:548)
> [ 254.671118] page_cache_ra_unbounded (./include/linux/fs.h:824 mm/readahead.c:271)
> [ 254.671137] filemap_get_pages (./include/linux/instrumented.h:72 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/page-flags.h:711 mm/filemap.c:2621)
> [ 254.671155] ? __copy_page_from_iter_atomic (lib/iov_iter.c:813)
> [ 254.671171] ? __pfx_filemap_get_pages (mm/filemap.c:2582)
> [ 254.671185] ? __pfx___copy_page_from_iter_atomic (lib/iov_iter.c:811)
> [ 254.671205] filemap_read (mm/filemap.c:2695)
> [ 254.671220] ? generic_perform_write (./include/linux/uio.h:272 mm/filemap.c:3809)
> [ 254.671235] ? __pfx_generic_perform_write (mm/filemap.c:3738)
> [ 254.671247] ? __pfx_filemap_read (mm/filemap.c:2663)
> [ 254.671268] ? fsnotify_perm.part.0 (./arch/x86/include/asm/atomic64_64.h:22 ./include/linux/atomic/atomic-long.h:29 ./include/linux/atomic/atomic-instrumented.h:1266 ./include/linux/fsnotify.h:62 ./include/linux/fsnotify.h:99 ./include/linux/fsnotify.h:124)
> [ 254.671283] vfs_read (./include/linux/fs.h:2184 fs/read_write.c:389 fs/read_write.c:470)
> [ 254.671300] ? __pfx_vfs_read (fs/read_write.c:451)
> [ 254.671318] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:227 ./include/linux/atomic/atomic-instrumented.h:35 fs/file.c:1015)
> [ 254.671329] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:227 ./include/linux/atomic/atomic-instrumented.h:35 fs/file.c:1015)
> [ 254.671344] ksys_read (fs/read_write.c:613)
> [ 254.671357] ? __pfx_ksys_read (fs/read_write.c:603)
> [ 254.671370] ? ksys_read (fs/read_write.c:613)
> [ 254.671380] ? __pfx_ksys_read (fs/read_write.c:603)
> [ 254.671393] do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
> [ 254.671406] ? do_syscall_64 (arch/x86/entry/common.c:87)
> [ 254.671419] ? syscall_exit_to_user_mode (./arch/x86/include/asm/jump_label.h:27 ./include/linux/context_tracking_state.h:106 ./include/linux/context_tracking.h:41 kernel/entry/common.c:134 kernel/entry/common.c:298)
> [ 254.671431] ? do_syscall_64 (arch/x86/entry/common.c:87)
> [ 254.671442] ? syscall_exit_to_user_mode (./arch/x86/include/asm/jump_label.h:27 ./include/linux/context_tracking_state.h:106 ./include/linux/context_tracking.h:41 kernel/entry/common.c:134 kernel/entry/common.c:298)
> [ 254.671453] ? do_syscall_64 (arch/x86/entry/common.c:87)
> [ 254.671465] ? syscall_exit_to_user_mode (./arch/x86/include/asm/jump_label.h:27 ./include/linux/context_tracking_state.h:106 ./include/linux/context_tracking.h:41 kernel/entry/common.c:134 kernel/entry/common.c:298)
> [ 254.671476] ? do_syscall_64 (arch/x86/entry/common.c:87)
> [ 254.671485] ? do_syscall_64 (arch/x86/entry/common.c:87)
> [ 254.671495] ? do_syscall_64 (arch/x86/entry/common.c:87)
> [ 254.671506] ? do_syscall_64 (arch/x86/entry/common.c:87)
> [ 254.671515] ? do_syscall_64 (arch/x86/entry/common.c:87)
> [ 254.671526] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120)
> [ 254.671573] RIP: 0033:0x7f324a959931
> [ 254.671806] Code: 31 c0 e9 b2 fe ff ff 50 48 8d 3d 72 81 0a 00 e8 25 13 02 00 0f 1f 44 00 00 f3 0f 1e fa 80 3d cd 9a 0e 00 00 74 13 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 57 c3 66 4
> All code
> ========
> 0: 31 c0 xor %eax,%eax
> 2: e9 b2 fe ff ff jmp 0xfffffffffffffeb9
> 7: 50 push %rax
> 8: 48 8d 3d 72 81 0a 00 lea 0xa8172(%rip),%rdi # 0xa8181
> f: e8 25 13 02 00 call 0x21339
> 14: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
> 19: f3 0f 1e fa endbr64
> 1d: 80 3d cd 9a 0e 00 00 cmpb $0x0,0xe9acd(%rip) # 0xe9af1
> 24: 74 13 je 0x39
> 26: 31 c0 xor %eax,%eax
> 28: 0f 05 syscall
> 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction
> 30: 77 57 ja 0x89
> 32: c3 ret
> 33: 66 data16
> 34: 04 .byte 0x4
>
> Code starting with the faulting instruction
> ===========================================
> 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax
> 6: 77 57 ja 0x5f
> 8: c3 ret
> 9: 66 data16
> a: 04 .byte 0x4
> [ 254.671819] RSP: 002b:00007ffc3afc0238 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
> [ 254.671899] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f324a959931
> [ 254.671909] RDX: 0000000000020000 RSI: 00007f324a83f000 RDI: 0000000000000004
> [ 254.671916] RBP: 0000000000000000 R08: 00007f324a85f000 R09: 0000000000000000
> [ 254.671923] R10: 00007f324a83f000 R11: 0000000000000246 R12: 00007ffc3afc1d00
> [ 254.671930] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
> [ 254.671966] </TASK>
> [ 254.672004] Modules linked in: mousedev kvm_amd ppdev ccp kvm psmouse irqbypass pcspkr i2c_piix4 parport_pc parport mac_hid btrfs blake2b_generic xor raid6_pq libcrc32c cfg8021k
> [ 257.929353] ---[ end trace 0000000000000000 ]---
> [ 257.929447] RIP: 0010:kasan_check_range (mm/kasan/generic.c:188)
> [ 257.929484] Code: 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 6e 01 00 00 49 89 f9 41 54 44 0f b6 c2 <55> 53 49 01 f1 0f 82 15 01 00 0
> All code
> ========
> 0: 00 0f add %cl,(%rdi)
> 2: 1f (bad)
> 3: 00 90 90 90 90 90 add %dl,-0x6f6f6f70(%rax)
> 9: 90 nop
> a: 90 nop
> b: 90 nop
> c: 90 nop
> d: 90 nop
> e: 90 nop
> f: 90 nop
> 10: 90 nop
> 11: 90 nop
> 12: 90 nop
> 13: 90 nop
> 14: 66 0f 1f 00 nopw (%rax)
> 18: 48 85 f6 test %rsi,%rsi
> 1b: 0f 84 6e 01 00 00 je 0x18f
> 21: 49 89 f9 mov %rdi,%r9
> 24: 41 54 push %r12
> 26: 44 0f b6 c2 movzbl %dl,%r8d
> 2a:* 55 push %rbp <-- trapping instruction
> 2b: 53 push %rbx
> 2c: 49 01 f1 add %rsi,%r9
> 2f: 0f 82 15 01 00 00 jb 0x14a
>
> Code starting with the faulting instruction
> ===========================================
> 0: 55 push %rbp
> 1: 53 push %rbx
> 2: 49 01 f1 add %rsi,%r9
> 5: 0f 82 15 01 00 00 jb 0x120
> [ 257.929498] RSP: 0018:ffffc90003cd0000 EFLAGS: 00000002
> [ 257.929515] RAX: ffff8881097c6000 RBX: ffffc90003cd0080 RCX: ffffffffa3366ec3
> [ 257.929524] RDX: 0000000000000001 RSI: 0000000000000070 RDI: ffffc90003cd0080
> [ 257.929532] RBP: 0000000000000070 R08: 0000000000000001 R09: ffffc90003cd0080
> [ 257.929539] R10: fffff5200079a07d R11: ffffffffa6f274a0 R12: 0000000000000000
> [ 257.929546] R13: ffffc90003cd0150 R14: ffffc90003cd0080 R15: ffffc90003cd00a8
> [ 257.929556] FS: 00007f324a860740(0000) GS:ffff88811b200000(0000) knlGS:0000000000000000
> [ 257.929566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 257.929573] CR2: ffffc90003ccfff8 CR3: 0000000106af4000 CR4: 00000000000006f0
> [ 257.929665] Kernel panic - not syncing: Fatal exception in interrupt
> [ 257.930205] Kernel Offset: 0x22200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
>
>
> Regards,
> David
next prev parent reply other threads:[~2023-03-23 6:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-23 1:20 Kernel panic due to stack recursion when copying data from a damaged filesystem David Ryskalczyk
2023-03-23 6:41 ` Qu Wenruo [this message]
2023-03-23 7:42 ` Christoph Hellwig
2023-03-23 7:57 ` Qu Wenruo
2023-03-23 8:09 ` Christoph Hellwig
2023-03-23 13:17 ` David Ryskalczyk
2023-03-24 1:01 ` Christoph Hellwig
2023-03-24 11:44 ` David Ryskalczyk
2023-03-24 23:06 ` Christoph Hellwig
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